How to distinguish between the armature wires with the field wires of a Dc motor ?

5 Answers  

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What is difference between ON delay and OFF Delay Timer?

7 Answers  

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why neutral grounding transformer is used for generator and why it is not used for transformers?

2 Answers   UPCL,

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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If load current is 70amps or 50amps what range of CT to install for ampere metering

3 Answers  

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How much current does a motor take in no load condition?

6 Answers  

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how we provide neutral earth on synchronising panel as per electrical standards?

0 Answers  

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how can decide the current rating of oltc

0 Answers  

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how ct burden,magnetising current,ratio and knee point voltage are related & derived

0 Answers   Dalkia, SCT,

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What is the difference between Static and servo controlled voltage stablizer?

0 Answers   Voltamp,

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typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

0 Answers   Siemens,

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in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

0 Answers  

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